Home / 3,001.51-4,142.31-1,675.41

Finding the Fourth Proportional to 3,001.51, 4,142.31 and 1,675.41

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Solution

The fourth proportional to 3,001.51, 4,142.31 and 1,675.41 is: 2,312.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,001.51 : 4,142.31 = 1,675.41 : x
  2. Step 2: Convert to fraction form
    3,001.51/4,142.31 = 1,675.41/x
  3. Step 3: Cross multiply
    3,001.51x = 4,142.31 × 1,675.41
  4. Step 4: Simplify right side
    3,001.51x = 6,940,066.86
  5. Step 5: Solve for x
    x = 6,940,066.86/3,001.51
  6. Step 6: Final answer
    x = 2,312.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.